If you are using Responsive Web Design, use meta name="viewport" tag to tell the browser how to adjust the content. If you use Dynamic Serving, use the Vary HTTP header to signal your changes depending on the user-agent. If you are using separate URLs, signal the relationship between two URLs by tag with rel="canonical" and rel="alternate" elements.

Make it as easy as possible for users to go from general content to the more specific content they want on your site. Add navigation pages when it makes sense and effectively work these into your internal link structure. Make sure all of the pages on your site are reachable through links, and that they don't require an internal "search" functionality to be found. Link to related pages, where appropriate, to allow users to discover similar content.

You can confer some of your site's reputation to another site when your site links to it. Sometimes users can take advantage of this by adding links to their own site in your comment sections or message boards. Or sometimes you might mention a site in a negative way and don't want to confer any of your reputation upon it. For example, imagine that you're writing a blog post on the topic of comment spamming and you want to call out a site that recently comment spammed your blog. You want to warn others of the site, so you include the link to it in your content; however, you certainly don't want to give the site some of your reputation from your link. This would be a good time to use nofollow.
Simply look around at other sites—your clients, your partners, your providers, associations you’re a part of, local directories, or even some local communities or influencers. These are all websites that can have a huge impact on your SEO as well as help you get traffic and raise awareness for your business. You are probably already doing business with most of them, so simply ask for a mention, a case study, a testimonial, or other types of backlinks.
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For example, a plumber could first find a service that has search volume on Google, but may not be talked about that in-depth on their competitor’s websites. In this example, a service like “leak detection” may be listed with a small blurb on your competitor’s sites, but none of them have elaborated on every angle, created FAQs, videos, or images. This represents an opportunity to dominate on that topic.
The tip that resonates with me the most is to publish studies, which you back up by linking to the study you collaborated on. That is spot on. It feels like having genuinely useful in depth content is THE strategy that will not be “Google updated” at any point. (Because if you were building a search engine, that’s the content you’d want to serve your users when they search for a topic.)

Thanks for sharing these tips, Brian. Agree with all of these, except maybe #3 Delete zombie pages. A better strategy would be to update these pages with fresh content and convert them into a long form blog posts/guides. Deleting them entirely would mean either setting up a 404 or 301 redirect – both of which can hurt your organic traffic in the short run.

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